Bathroom shelf



FIG. 1 is a top perspective view of a bathroom shelf showing my new design;

FIG. 2 is a left end elevational view thereof, the right end elevational view being the mirror image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a rear elevational view thereof. 

The ornamental design for a bathroom shelf, as shown and described. 